AnswersCrowley Credit Recovery Physics ASecond Law of Thermodynamics

Second Law of Thermodynamics — Cumulative exam Answers

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The image shows a pendulum that is released from rest at point A.

Question illustration
A
From A to C, kinetic energy is transformed into gravitational potential energy.
B
From C to D, kinetic energy is transformed into gravitational potential energy.
C
From C to E, gravitational potential energy is transformed into kinetic energy.
D
From D to E, gravitational potential energy is transformed into kinetic energy.
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What is the acceleration along the ground of a 10 kg wagon when it is pulled with a force of 44 N at an angle of 35° above the horizontal?

A
0.23 m/s2
B
0.28 m/s2
C
2.52 m/s2
D
3.60 m/s2
45

Which is an example of conduction?

A
Soup is warmed in a microwave oven.
B
A hand is burned when touching a pot handle.
C
Air above an ocean warms up and rises.
D
A stone gets hot from sitting outside on a sunny day.
46

Question text not available

Question illustration
A
the x-axis
B
a direct relationship
C
the independent variable
D
the dependent variable
47

The MSDS for propane gives it a health rating of 1, a flammability rating of 4, and a reactivity rating of 0. According to the MSDS, which best describes propane?

A
highly corrosive
B
highly toxic
C
highly flammable
D
highly reactive
48

Four springs are stretched to the same distance from the equilibrium position. The spring constants are listed in the table.

Question illustration
A
X, Y, W, Z
B
X, W, Y, Z
C
Z, W, Y, X
D
Z, Y, W, X
49

Which graph shows the relationship between temperature, X, and kinetic energy, Y?

A
An illustration of a triangle with the base labeled X with the height labeled Y.
Option A
B
A graph with the x axis labeled X and the y axis labeled Y. There is a diagonal line from the origin.
Option B
C
A graph with the x axis labeled X and the y axis labeled Y. There is a horizontal line.
Option C
D
A graph with the x axis labeled X and the y axis labeled Y. There is a vertical line.
Option D
50

Derek needs a tool that delivers 5.00 mL of a sodium hydroxide solution. Which tool would be best for him to use?

A
a beaker
B
a pipette
C
a graduated cylinder
D
an Erlenmeyer flask

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